at 30 minutes to 2 o'clock find the radian measure of the angle made by the minute hand with the hour hand of a clock
Answer:
And at 2:00, the minute hand is on the 12 and the hour hand is on the 2. The correct answer is 2 * 30 = 60 degrees.
f(x)= -3x^2-7x+8; find f(-3)
Answer:
-7/6, 12 is your focus
Step-by-step explanation:
If you want to find how much liquid a container will hold, you want to find the _____.
area
circumference
square feet
volume
Answer:
volume
Step-by-step explanation:
Explain the difference between an indefinite integral and a definite integral.
A) An indefinite integral, after evaluating it at the limits of integration, results in a particular number. A definite integral results in a set of functions that share the same derivative and uses an arbitrary constant of integration.
B) A definite integral, after evaluating it at the limits of integration, results in a particular number. An indefinite integral results in a set of functions that share the same derivative and uses an arbitrary constant of integration.
C) An indefinte integral cannot always be integrated analytically and may require numeric integration, while it is always possible to integrate a definite integral. Definite integrals always return a real number after evaluation at its limits of integration.
D) A definite integral is defined and continuous over the interval of integration and has finite limits of integration. An indefinite integral is also defined and continuous over the interval of integration, but may have as a limit of integration.
The answer is A.
An indefinite integral is a function that, when differentiated, equals the original function. It is denoted by ∫f(x)dx, where f(x) is the function to be integrated. An indefinite integral always has an arbitrary constant of integration, which is denoted by C. This is because the derivative of any constant is zero, so the derivative of ∫f(x)dx+C is still equal to f(x).
A definite integral is the limit of a Riemann sum as the number of terms tends to infinity. It is denoted by ∫
a
b
f(x)dx, where a and b are the limits of integration. A definite integral does not have an arbitrary constant of integration, because the limits of integration specify a unique value for the integral.
In other words, an indefinite integral is a family of functions that share the same derivative, while a definite integral is a single number.
A new is being built in Safety Harbor. The perimeter of the rectangular playing field is 582 yards. The length of the field is 4 yards less than quadruple the width. What are the dimensions of the playing field?
The dimensions of the rectangular field are given as follows:
Length: 232 yards.Width: 59 yards.How to obtain the perimeter of a rectangle?The perimeter of a rectangle is given by twice the sum of the length and the width of the rectangle, as follows:
P = 2(l + w).
For this problem, the perimeter is of 582 yards, hence:
2(l + w) = 582
l + w = 291.
The length of the field is 4 yards less than quadruple the width, hence:
l = 4w - 4.
Then the width is obtained as follows:
4w - 4 + w = 295
5w = 295
w = 295/5
w = 59.
The length is obtained as follows:
l = 4 x 59 - 4
l = 232 yards.
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Try These questions out and I’ll give you brainliest
The expressions are simplified to;
1. 72n² + 63n
2. 18t - 18t²
3. -18b² - 18b
4. -56r - 21r²
5. -6m + 9m²
What are algebraic expressions?Algebraic expressions are simply described as expressions that are known to consist of coefficients of variables, variables, constants, terms, and factors.
These algebraic expressions are also made up of mathematical or arithmetic operations.
These operations are;
BracketParenthesesAdditionMultiplicationDivisionSubtractionFrom the information given, we have;
1. -9n (-8n -7)
expand the bracket
72n² + 63n
2. -2t(-9 + 9t)
expand the bracket
18t - 18t²
3. -3b(6b + 6)
expand the bracket
-18b² - 18b
4. -7r(8 + 3r)
expand the bracket
-56r - 21r²
5. 3m(-2 + 3m)
expand the bracket
-6m + 9m²
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An architect is a person who designs buildings. Why is it important for an architect to be able to calculate the area and perimeter?
Marking brainiest with correct and best explained answer! :)
Answer:
I've already answered :) Please give Brainliest ;)
Step-by-step explanation:
Maria found that 4 bags of leaves weight 6 pounds and 8 bags of leaves weight 12 pounds .She made a graph to help her find the weight of the other bags
which ordered pair follows the pattern in the graph
Answer:
Each bag had weighed about 1 1/2 (or 1.5) pounds.
Step-by-step explanation:
6 divided by 4 should end in a result of the unit weight 1.5 lbs.
I hoped this Helped and i Hope that You have a Splendid day!!!Answer:
3, 4
Step-by-step explanation:
i divided 6 and 8 by 2 and got 3,4
boom magic
last question for today:
10 2/3 - 8 9/12
please, explain, it would help me out more!
Answer:
The answer is 1 11/12
Step-by-step explanation:
First you could convert both of them to improper fractions, then you could get them to a common denominator and the least common denominator for these two fractions would be 12 so you would multiply the fraction 10 2/3 so that they both have the same denominator then you would subtract them then you would make the answer a proper fraction again so your answer would be 1 11/12
10 2/3 = 32/3 times 4 = 128/12
8 9/12 = 105/12
128/12 - 105/12 = 23/12 = 1 11/12
Answer:
1 11/12
Step-by-step explanation:
10 2/3=32/3 x 4= 128/12
8 9/12= 105/12
128/12-105/12=23/12= 1 11/12
A total of 5000 tickets were sold for a raffle. the prizes are $1000, $500, $200, and $100. what price should be charged so there is a 60% profit per ticket?
Answer: $0.576
Step-by-step explanation:
The total amount in prizes is $1800.
For there to be 60% profit, the total cost of the tickets need to be \(1800(1.6)=\$ 2880\).
Thus, each ticket must sell for \(\frac{2880}{5000}=\$ 0.576\)
On a local sports team, 20% of 50 players are left handed. how many left handed players are om the team
Answer:
10
Step-by-step explanation:
Solve I ready plz I need this one fast
Answer:
the answer is the 3rd one
Step-by-step explanation:
An electrician wants to know whether batteries made by two manufacturers have
significantly different voltages. The voltage of 108 batteries from each manufacturer
were measured. The population standard deviations of the voltage for each
manufacturer are known. The results are summarized in the following table.
Manufacturer Sample mean voltage (millivolts) Population standard deviat
A
B
179
178
1
What type of hypothesis test should be performed? Select
What is the test statistic? Ex: 0.12
Does sufficient evidence exist to support the claim that the voltage of the batteries made
by the two manufacturers is different at the a= 0.05 significance level?
The appropriate hypothesis test is a two-sample t-test for independent samples.
The appropriate hypothesis test in this scenario is a two-sample t-test for independent samples. Since the population standard deviations are known, we can use the Z-test instead.
The test statistic can be calculated using the formula:
t = (x1 - x2) / sqrt((s1^2 / n1) + (s2^2 / n2))
Where:
x1 and x2 are the sample means for Manufacturer A and Manufacturer B, respectively.
s1 and s2 are the population standard deviations for Manufacturer A and Manufacturer B, respectively.
n1 and n2 are the sample sizes for Manufacturer A and Manufacturer B, respectively.
Plugging in the given values:
x1 = 179, x2 = 178, s1 = 1, s2 = 5, n1 = n2 = 108
t = (179 - 178) / sqrt((1^2 / 108) + (5^2 / 108))
t = 1 / sqrt(0.00926 + 0.0463)
t ≈ 1 / sqrt(0.05556)
t ≈ 1 / 0.2357
t ≈ 4.241
To determine whether there is sufficient evidence to support the claim that the voltage of the batteries made by the two manufacturers is different, we compare the calculated t-value to the critical value from the t-distribution at the desired significance level (0.05).
The decision depends on the degrees of freedom for the test, which is calculated as (n1 + n2 - 2) = (108 + 108 - 2) = 214.
Using a t-table or statistical software, we find that the critical value for a two-tailed test with a significance level of 0.05 and 214 degrees of freedom is approximately ±1.972.
Since the calculated t-value of 4.241 exceeds the critical value of 1.972, we reject the null hypothesis and conclude that there is sufficient evidence to support the claim that the voltage of the batteries made by the two manufacturers is different at the 0.05 significance level.
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Karen reads a book at a rate of 34 chapters per hour. How many chapters does she read in 2 hours?
Answer:
68
Step-by-step explanation:
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What is the probability that both events will occur? Two dice are tossed. Event A: the first die is a 5 or 6. Event B: The second die is not a 1
Answer: The probability that both events A and B will occur is 5/18 or 0.28.
Step-by-step explanation:
To determine the probability that both events A and B will occur, we need to calculate the probabilities of each event separately and then multiply them together.
Event A: The probability of rolling a 5 or 6 on the first die is 2 out of 6 (since there are two favorable outcomes out of six possible outcomes on a fair six-sided die). Therefore, the probability of event A is 2/6 or 1/3.
Event B: The probability of not rolling a 1 on the second die is 5 out of 6 (since there are five favorable outcomes out of six possible outcomes). Therefore, the probability of event B is 5/6.
To find the probability that both events A and B occur, we multiply the probabilities:
Probability(A and B) = Probability(A) * Probability(B) = (1/3) * (5/6) = 5/18.
The sale price of a spring break vacation package was $174.99, and the travel agent said by booking
early, you saved $35. Find the percent decrease in price.
Objective: Find percent increase or decrease
Answer:
Percentage deducted is 10%. Forgive me if I’m wrong
Step-by-step explanation:
$179.99+$20=$199.99
$20/$199.99=0.1000
=10%
Elyas is on holiday in Greece.
He wants to buy a pair of sunglasses for €90
The exchange rate is €1 = £0.875
Elyas says, "The sunglasses cost less than £70"
Using a suitable approximation, show that Elyas is wrong.
Answer:
To convert euros to pounds, we have to multiply the amount in euros by the exchange rate. So, the sunglasses cost 90 * 0.875 = 78.75 pounds.
To use a suitable approximation, we can round the exchange rate to the nearest hundredth, which is 0.88. This makes the calculation easier and gives a close estimate of the actual value.
Using the rounded exchange rate, the sunglasses cost 90 * 0.88 = 79.2 pounds.
We can see that both the exact and the approximate values are greater than 70 pounds, so Elyas is wrong. The sunglasses cost more than 70 pounds
Step-by-step explanation:
2(0.1m+6) please help
Answer:
m = -60Step-by-step explanation:
2(0.1m + 6)
0.2m + 12
m = -12 / 0.2
m = -60
Answer: 0.2m+12
Step-by-step explanation:
distribute 2 into the parenthesis
2 x 0.1m
2 x 6
0.2m+12
What is the probability of an indi individual scoring above 500 on the GMAT
Answer:
It depends on how much effort that you put in preparing and working on sample questions to write this exam. It takes continual time and dedication and cannot be hoped to be achieved/aced within a few hours.
a/b - c + d if a = 7/8, b= -7/16, c= 0.8 and d= 1/4 write your answer as a mixed number in simplest form? help me please
A hose fills a pool up at a rate of 15 gallons every 2 hours. At this rate how many
gallons of water will be in the pool in 24 hours?
Answer:
there will be 180 gallons of water in the pool after 24 hours
Step-by-step explanation:
\(\frac{15}{2} *\frac{12}{12}= \frac{180}{24}\)
Answer:
180 gallons
Step-by-step explanation:
Ok so,
2 hours = 15 gallons.
if we multiply both sides by 12 we can find out how many gallons of water will be in the pool in 24 hours
2 x 12 = 24
15 x 12 = 180
There will be 180 gallons of water in the pool after 24 hours.
Find the area of the figure
Answer:
104ft
Step-by-step explanation:
First - find the area of triangles.
h = hight
b = base
h • b / 2
5 • 8 /2 = 20ft
And
4 • 6 /2 = 12ft
And then area of the rectangle.
l • w
9 • 8 = 72 ft
Than add. Them all together
Which line represents the linear equation
-3y = 15 - 4x?
The equation -3y = 15 - 4x rewritten in slope-intercept
form is
The y-intercept is
x and the slope of the line is
Line
is the graph of the line -3y = 15 - 4x.
Find the third side in simplest radical form:
89
39
QUESTION THREE (30 Marks) a) For a group of 100 Kiondo weavers of Kitui, the median and quartile earnings per week are KSHs. 88.6, 86.0 and 91.8 respectively. The earnings for the group range between KShs. 80-100. Ten per cent of the group earn under KSHs. 84 per week, 13 per cent earn KSHs 94 and over and 6 per cent KShs. 96 and over. i. Put these data into the form of a frequency distribution and obtain an estimate of the mean wage. 15 Marks
Answer:
the answer would be 100 I guess
Help plz plzzzzzzzzzzz ASAP
Given what we observed in #8, how does the area of AFD above compare to the area of ABC ? Explain your answer.
Answer:
This is because the four triangles formed are all identical to each other.
Graphs. First correct answer will mark brainliest.
30 POINTS!!
The assumption in answering the question is that no student scored 0
The assumptions made in answering the questionFrom the question, we have the following parameters that can be used in our computation:
The bar chart
On the bar chart, we hae
Students that score more than 8 = 5
Students in the class = 33
The (b) is calculated by considering all students that score more than 0 from the histogram
This means that the assumption is that no student scored 0
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A study team was discussing how to multiply 6x^10 by 12x^2.
Andrea said, "The answer is 72x^20"
Bernard said, "No, the answer is 18x^20"
Carmen disagreed and said, "No, the answer is 72x^12"
Finally, Diego concluded, "You are all wrong. The answer is 18x^12"
Are any of these students correct? How do you know? Explain.
The correct option is that C. Carmen disagreed and said, "No, the answer is 72x^12"
How to illustrate the exponent?The exponent is the number of times that a number is multiplied by itself. It should be noted that the power is an expression which shows the multiplication for the same number. For example, in 6⁴ , 4 is the exponent and 6⁴ is called 6 raise to the power of 4.
It should be noted that when dividing exponents with same base, we will subtract the powers and when multiplying them, we will add the powers.
Here, the study team was discussing how to multiply 6x^10 by 12x^2. Therefore, this will be:
= 72 × x^(10 + 2)
= 72x^12.
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6TH GRADE MATHstudents at the wild outdoors camp choose one or two morning activities each day. this morning , the ratio of campers who will be horseback riding to campers who will be canoeing is 5 to 3. what percentage of campers is horseback riding?
Then 62.5% of the campers at the Wild Outdoors camp this morning will be horseback riding
To find the percentage of campers that will be horseback riding, we need to first add the ratio together to get the total number of parts. In this case, the ratio of horseback riding to canoeing is 5:3, so there are 5 + 3 = 8 parts in total.
To find the percentage of campers that will be horseback riding, we divide the number of parts for horseback riding by the total number of parts, then multiply by 100 to get the percentage.
So, 5 parts out of 8 parts are for horseback riding. This is equivalent to 5/8 or 0.625 as a decimal. To find the percentage, we multiply by 100, which gives us 62.5%.
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\( \frac{3}{4} x + \frac{5}{6} = 5x - \frac{125}{3} \)
Answer:
nos agoi o se
Step-by-step explanation:
Answer:
\(\boxed{\bold{\huge{\boxed{x = 10}}}}\)
Step-by-step explanation:
=> \(\sf \frac{3}{4} x + \frac{5}{6} = 5x - \frac{125}{3}\)
Combining like terms
=> \(\sf \frac{3x}{4} - 5x = -\frac{125}{3} - \frac{5}{6}\)
Taking LCM to make the denominator same
=> \(\sf \large{\frac{3x-20x}{4} = \frac{-250-5}{6} }\)
=> \(\sf \frac{-17x }{4} = \frac{-255}{6}\)
=> \(\sf \frac{17x }{4} = \frac{255}{6}\)
Cross Multiplying
=> \(\sf 17x * 6 = 4 * 255\)
=> \(\sf 102x = 1020\)
Dividing both sides by 102
=> x = 10